﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp1
{
    class sgu
    {
        int num;
        int num2;
        public int Num
        {
            get { return this.num; }
            set { this.num = value; }      
        }
        public int Num2
        {
            get { return this.num2; }
            set { this.num2 = value; }
        }
        public sgu()
        {

        }
        public virtual void jisuan()
        {
            int a = this.Num - this.Num2;
            Console.WriteLine(a);
        }
        public sgu(int num,int num2)
        {
            this.num = num;
            this.num2 = num2;
        }
    }
}
